Useful FAQ on affiliate programs: http://www.cj.com/faq.html https://affiliate-program.amazon.com/
Test different graphics and messaging. Our own conversion changes when we use different messaging. Whether you're using banners, buttons, or text, it pays to rotate messages, to see what works best.
Include recommendations for the products you feature. Your visitors value your expertise and judgment, and so will be more likely to make purchases if you provide recommendations or comments about the items you promote.
Encourage gift buying. Amazon.com features interesting gift ideas year round. From PalmOne handhelds to the latest toys, you'll find all sorts of products to promote on your site that will please the most discerning gift buyer.